.container {
    width: 1226px;
    height: 460px;
    margin: 100px auto;
    position: relative;
}

.banner-img {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    opacity: 0;
    transition: opacity .8s;
}

.banner-active {
    opacity: 1;
}

.img-auto {
    display: block;
    width: 100%;
    height: 100%;
}

.sidebar {
    width: 234px;
    height: 420px;
    padding: 20px 0;
    color: #fff;
    background: rgba(105, 101, 101, .6);
    position: absolute;
    top: 0;
}

.sidebar-item {
    width: 204px;
    height: 42px;
    padding-left: 30px;
    line-height: 42px;
    cursor: pointer;
    position: relative;
}

.sidebar-item::after {
    content: '>';
    width: 16px;
    height: 16px;
    line-height: 16px;
    font-weight: bold;
    position: absolute;
    right: 16px;
    top: calc(50% - 10px);
}

.sidebar-item:hover {
    background-color: #ff6700;

}


.btns {
    width: 41.5px;
    height: 69px;
    cursor: pointer;
    position: absolute;
    top: calc(50% - 69px / 2);
}

.left-box {
    left: 234px;
    background: url(../images/icon-slides.png) no-repeat -83px 0/cover;
}

.right-box {
    right: 0;
    background: url(../images/icon-slides.png) no-repeat -124.5px 0/cover;
}

.left-box:hover {
    background: url(../images/icon-slides.png) no-repeat 0px 0/cover;
}

.right-box:hover {
    background: url(../images/icon-slides.png) no-repeat -41.5px 0/cover;
}

.list {
    width: 100px;
    display: flex;
    position: absolute;
    bottom: 20px;
    right: 0;
    margin: auto;
}

.list-item {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-left: 10px;
    background-color: rgba(0, 0, 0, .4);
    cursor: pointer;
}

.list-item.active {
    background-color: #fff;
}

.sidebar-info {
    height: 460px;
    position: absolute;
    top: 0;
    left: 234px;
    background-color: #fff;
    z-index: 10;
    box-shadow: 0 8px 16px rgb(0 0 0 / 18%);
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
}

.item {
    width: 215px;
    height: 40px;
    padding: 18px 15px;
    display: flex;
    align-items: center;
}

.info-img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    background-color: #ddd;
    
}

.info-title {
    color: #000;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    cursor: pointer;
}

.info-title:hover{
    color: #ff6700;
}